Anshan in context: Street-network sprawl trends

Anshan in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
AnshanLiaoning (Region)China (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Anshan plotted against Liaoning and China. The SNDi of new construction in Anshan rose steadily, compared to Liaoning which followed a zig-zag trend with an overall increase and China which followed a zig-zag trend with an overall increase. Most recently, Anshan's incremental SNDi rose from 3.79 to 3.87 between 1991-2005 and 2006-2020. In terms of the aggregate network, Anshan ranked 34th out of 61 cities in Liaoning and 776th out of 1843 in China as of 2020.

New Street Additions (2006–2020)

SNDi value
3.87
Rank in China
1341st of 1843
Rank in Liaoning
44th of 61

Entire Network (Aggregate)

SNDi value
2.73
Rank in China
776th of 1843
Rank in Liaoning
34th of 61

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

1.82.433.6<19751976–19901991–20052006–2020SNDi of street additions
1.82.433.6<19751976–19901991–20052006–2020SNDi of entire street network
AnshanMesaKharkiv

In new street additions, Anshan and Kharkiv both built increasingly disconnected streets over time, while Mesa built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Anshan and Kharkiv both became progressively more disconnected, while Mesa became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards. Anshan and Kharkiv have been growing further apart in their street-network character since 1975.